Hi Calle! I’m Colby, the guy mentioned at the bottom of the BitStream paper. Robin and I worked on it all year! It’s great to see traction like this.
If you want to use Merkle Trees capable of file storage, check out these Merkle DAG Trees.
These new trees have smaller branches than IPFS Merkle DAGs and support folders. We released the paper a few days ago. BitStream + Merkle DAG Trees = a revolution. :-)
https://www.hornetstorage.com/whitepaper 
GitHub
GitHub - HORNET-Storage/Scionic-Merkle-Tree: Scionic Merkle Trees contain small branches like Classic Merkle Trees, the folder storage support of Merkle DAGs, and numbered Merkle leaves so anyone can sync by requesting a range of missing leaf numbers that correspond to missing file chunks.
Scionic Merkle Trees contain small branches like Classic Merkle Trees, the folder storage support of Merkle DAGs, and numbered Merkle leaves so any...
